<div style="width:90%;margin-left:auto;margin-right:auto;">
  <div class="flash error">
  <p><emphasize>This is a message from the plugin Redmine More Previews:</emphasize></p>
  <p>Apparently, the plugin has not been installed correctly. The following errors
     may cause this message:
     <ul>
       <li>The mimemagic Gem is not installed. Please notice, that mimemagic may require
           further libraries on your server</li>
     </ul>
    </p>
  </div>
</div>
